private void Filter_Click(object sender, RoutedEventArgs e)
{
Grid parentGrid = (Grid)((Button)sender).Parent;
int genderState = ((ComboBox)parentGrid.FindName("GenderCombo")).SelectedIndex;
int aliveState = ((ComboBox)parentGrid.FindName("AliveCombo")).SelectedIndex;
CharactersViewModel.LoadFilteredPage(genderState, aliveState);
}